Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Communications Network (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 14 , Multiplex Communication Network for
schematic and connector
information.
Special Tool(s)
73 Digital Multimeter or
equivalent
105-R0051
Worldwide Diagnostic System
(WDS)
418-F224,
New Genera ...
Installation
1. Install the RH engine insulator.
Install the nuts.
Install the bolts.
2. Install the LH engine insulator.
3. Connect the engine ground strap.
4. Install the bracket.
5. Lower the vehicle.
6. Lower the engine.
7. Raise the vehicle.
8. Ins ...
Transmission (Disassembly)
Special Tool(s)
Remover, Mainshaft Bearing
308-058 (T77J-7025-H)
Screw, Bearing Removal tube
308-092 (T84T-7025-B)
Holding Fixture, Transmission
307-003 (T57L-500-B)
Remover, Bushing
307-001 (TOOL-1175-AC) ...
